Finding the Fourth Proportional to 893,572.04, 1,233,137.66 and 485,674.81
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Solution
The fourth proportional to 893,572.04, 1,233,137.66 and 485,674.81 is: 670,235.71
Step by Step Solution
- Step 1: Write the proportion equation
893,572.04 : 1,233,137.66 = 485,674.81 : x - Step 2: Convert to fraction form
893,572.04/1,233,137.66 = 485,674.81/x - Step 3: Cross multiply
893,572.04x = 1,233,137.66 × 485,674.81 - Step 4: Simplify right side
893,572.04x = 598,903,893,213.13 - Step 5: Solve for x
x = 598,903,893,213.13/893,572.04 - Step 6: Final answer
x = 670,235.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.